From 23a0eb76e2a4f23e557436ec968349d46a7e8aca Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Thu, 12 Dec 2024 12:09:36 +0800
Subject: [PATCH] Merge branch 'temp'
---
common/Tools.js | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/common/Tools.js b/common/Tools.js
index 9d692ac..4c0ff6d 100644
--- a/common/Tools.js
+++ b/common/Tools.js
@@ -652,6 +652,32 @@
}
};
}
+ /**
+ * 精确保留小数点几位数, 自动补零, 四舍五入
+ * 修复 toFixed 四舍六入五讨论的问题
+ * @param {Number|String} num 数值
+ * @param {Number} [digit=0] 小数点后位数
+ * @returns {String|NaN}
+ */
+ static accFixed(num, digit = 0) {
+ const number = parseFloat(num);
+ if (isNaN(number)) {
+ return NaN;
+ }
+ if (number >= 0) {
+ return (
+ Math.round((number + Number.EPSILON) * Math.pow(10, digit)) / Math.pow(10, digit)
+ ).toFixed(digit);
+ } else {
+ return (
+ '-' +
+ (
+ Math.round((Math.abs(number) + Number.EPSILON) * Math.pow(10, digit)) /
+ Math.pow(10, digit)
+ ).toFixed(digit)
+ );
+ }
+ }
}
// h5 中，实现 rem 转换 px
--
Gitblit v1.9.1